toolchain/53088: tools/libctf fails to build on systems without machine/int_limits.h

[hans%netbsd.org@localhost]

>Number:         53088
>Category:       toolchain
>Synopsis:       tools/libctf fails to build on systems without machine/int_limits.h
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    toolchain-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sun Mar 11 10:00:00 +0000 2018
>Originator:     Hans Rosenfeld
>Release:        8.0_BETA, HEAD
>Organization:
>Environment:
SunOS executor 5.11 illumos-ff1e230c4f i86pc i386 i86pc
>Description:
In file included from /usr/include/sys/inttypes.h:43:0,
                 from /export/ws/netbsd/8/src/tools/libctf/../../external/cddl/osnet/sys/sys/int_types.h:32,
                 from /usr/include/sys/stdint.h:36,
                 from /usr/include/stdint.h:36,
                 from /usr/gcc/6/lib/gcc/i386-pc-solaris2.11/6.4.0/include/stdint.h:9,
                 from /export/ws/netbsd/8/src/tools/libctf/../../external/cddl/osnet/sys/sys/types.h:67,
                 from /export/ws/netbsd/8/src/tools/libctf/../compat/compat_defs.h:35,
                 from /export/ws/netbsd/8/src/../tooldir.SunOS-5.11-i86pc/include/compat/nbtool_config.h:871,
                 from /export/ws/netbsd/8/src/tools/libctf/../../external/cddl/osnet/dist/lib/libctf/common/ctf_lib.c:30:
/export/ws/netbsd/8/src/tools/libctf/../../external/cddl/osnet/sys/sys/int_limits.h:32:32: fatal error: machine/int_limits.h: No such file or directory
>How-To-Repeat:
Try a build of -8 or current on any system that doesn't have machine/int_limits.h, like illumos.
>Fix: